volatile memory短语⁷⁹⁷⁹⁹ 基本例句 非永久性存储器,易失存储器 By contrast, non- volatile memory devices, such as the flash drives found in memory cards, USB dongles and MP3 players, can retain information for long periods without power. 相反，永久储存设备，比如存储卡里的闪存驱动器、 USB软件狗和 MP3，即使断电，也能长期地存储信息。 yeeyan